Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/MO/CLAYTON

Clayton ZIP codes, Missouri

No ZIP code is named for Clayton, MO; addresses there use a neighbouring town's name. 4 ZIP codes cover it: 63130, 63105, 63124 and 63117.

USPS city name
0 ZIP codes
Overlapping the city
4 more
Population
17,380

Clayton in numbers

About 17,380 people live in Clayton, in 6,222 households, the 50th-largest of Missouri's 1,062 census places. The median household income is $123,000 a year, 74% above the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $830,000 (3.6 times the Missouri median), and median gross rent is $1,692 a month. The median age is 30.0; 84.9% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 17 minutes.

Population17,380Clayton17,380
Households6,222Clayton6,222
Median age30.0Clayton30.0Missouri39.0US 38.9
Median household income$123,000Clayton$123,000Missouri$70,702US $80,734
Median home value$830,000Clayton$830,000Missouri$230,300US $332,700
Median gross rent$1,692Clayton$1,692Missouri$1,033US $1,413
Bachelor's degree or higher84.9%Clayton84.9%Missouri32.4%US 35.7%
Mean commute16.6 minClayton16.6 minMissouri23.5 minUS 26.4 min
Population density6,933 / sq miClayton6,933 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Clayton city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Clayton

These ZIP codes cover part of Clayton but are addressed as somewhere else.

ZIP codes overlapping Clayton
ZIP City Type Population Median income Median home
63105 Saint Louis , MO Standard 18,875 $116,439 $766,300
63117 Saint Louis , MO Standard 9,261 $90,921 $348,700
63124 Saint Louis , MO Standard 10,839 $193,942 $988,600
63130 Saint Louis , MO Standard 28,910 $85,823 $316,100

Map of Clayton ZIP codes

63105631176312463130

The ZIP codes of Clayton, MO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Clayton

The nearest larger towns are University City (34,685 people, 1.5 mi), Webster Groves (23,712 people, 4.2 mi) and St. Louis (288,512 people, 4.7 mi).

Towns near Clayton
TownPopulationDistance
Richmond Heights 9,153 0.9 mi
University City 34,685 1.5 mi
Brentwood 8,144 2.0 mi
Maplewood 8,156 2.3 mi
Pagedale 2,531 2.7 mi
Ladue 8,940 3.0 mi
Rock Hill 4,693 3.2 mi
Olivette 8,645 3.2 mi
Shrewsbury 6,316 4.0 mi
Overland 15,695 4.1 mi
Webster Groves 23,712 4.2 mi
Glendale 6,114 4.5 mi
Pine Lawn 2,716 4.6 mi
Normandy 4,239 4.6 mi

More nearby: every ZIP code in St. Louis County · Missouri ZIP codes

Cite this page

zipcodes.pro. “Clayton, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/clayton

Underlying data is public domain or openly licensed — sources, vintages and licences.